diff --git a/miio/vacuumcontainers.py b/miio/vacuumcontainers.py
index bf7e5110f..7fcdea985 100644
--- a/miio/vacuumcontainers.py
+++ b/miio/vacuumcontainers.py
@@ -31,6 +31,9 @@ def pretty_area(x: float) -> float:
     17: "Side brushes problem, reboot me",
     18: "Suction fan problem",
     19: "Unpowered charging station",
+    21: "Laser disance sensor blocked",
+    22: "Clean the dock charging contacts",
+    23: "Docking station not reachable",
 }